トモちゃんは女の子! 7 [Tomo Chan Wa Onna No Ko 7] by Fumita Yanagida

As the cultural festival and winter holidays approach, a tough tomboy doubles down on being seen as a girl by her oblivious childhood friend, while he struggles to reconcile his image of her with his deepening feelings. Meddling friends stage schemes, awkward almost-dates abound, and even family training pushes them out of their stalemate. Vulnerabilities come to light, nudging both of them toward a long-awaited turning point in their relationship.